Home / 124,529.80-186,770.40-40,269.55

Finding the Fourth Proportional to 124,529.80, 186,770.40 and 40,269.55

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Solution

The fourth proportional to 124,529.80, 186,770.40 and 40,269.55 is: 60,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.80 : 186,770.40 = 40,269.55 : x
  2. Step 2: Convert to fraction form
    124,529.80/186,770.40 = 40,269.55/x
  3. Step 3: Cross multiply
    124,529.80x = 186,770.40 × 40,269.55
  4. Step 4: Simplify right side
    124,529.80x = 7,521,159,961.32
  5. Step 5: Solve for x
    x = 7,521,159,961.32/124,529.80
  6. Step 6: Final answer
    x = 60,396.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.